org.eel.kitchen.jsonschema.ref

Class JsonFragment

java.lang.Object

org.eel.kitchen.jsonschema.ref.JsonFragment

Direct Known Subclasses:

IdFragment, JsonPointer

public abstract class JsonFragment
extends Object

Abstract class for fragment resolution

In a JSON Reference, a fragment can either be a JSON Pointer or a schema id. In both cases, when found, the fragment must be resolve with regards to the schema. This is what this class, and its two implementations, are for.

See Also:

IdFragment, JsonPointer

Field Summary

Fields

Modifier and Type	Field and Description
private static JsonFragment	EMPTY Special case fragment (empty)

Constructor Summary

Constructors

Constructor and Description
JsonFragment()

Method Summary

Methods

Modifier and Type	Method and Description
static JsonFragment	fromFragment(String fragment) The only static factory method to obtain a fragment
boolean	isEmpty() Tell whether this fragment is empty
abstract JsonNode	resolve(JsonNode node) Resolve this fragment against a given node
abstract String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

EMPTY

private static final JsonFragment EMPTY

Special case fragment (empty)

Constructor Detail

JsonFragment

public JsonFragment()

Method Detail

fromFragment

public static JsonFragment fromFragment(String fragment)

The only static factory method to obtain a fragment

Depending on the situation, this method will either return a JsonPointer, an IdFragment or EMPTY.

Parameters:

fragment - the fragment as a string

Returns:

the fragment

resolve

public abstract JsonNode resolve(JsonNode node)

Resolve this fragment against a given node

Parameters:

node - the node

Returns:

the result node (MissingNode if the fragment is not found)

isEmpty

public final boolean isEmpty()

Tell whether this fragment is empty

Returns:

true if it is EMPTY

See Also:

JsonRef.isAbsolute()

toString

public abstract String toString()

Overrides:

toString in class Object